ModelGS1900-24EGS1900-24GS1900-24EPG S1900-24HPv2Product name 24-port GbE Smart Managed Switch 24-port GbE Smart Managed Switch with GbE Uplink 24-port GbE Smart Managed PoE Switch 24-port GbE Smart Managed PoE Switch with GbE UplinkSwitch class Smart Managed Smart Managed Smart Managed Smart Managed Port Density Total port count 24 26 24 26100/1000 Mbps 24 24 24 24SFP 100/1000 Mbps - 2 - 2 PoE 802.3at PoE ports - - 12 24Total PoE budget (Watts) - - 130 170 Performance Switching capacity (Gbps) 48 52 48 52Forwarding rate (Mpps) 35.7 39 35.7 39Packet buffer (byte) 525 K 525 K 525 K 525 KMAC address table 8 K 8 K 8 K 8 KJumbo frame (byte) 9 K 9 K 9 K 9 K Power Input 100 - 240 V AC, 50/60 Hz 100 - 240 V AC, 50/60 Hz 100 - 240 V AC, 50/60 Hz 100 - 240 V AC, 50/60 HzMax. power consumption (watt) 15.1 16 166.5 206.5 Physical Specifications Dimensions (WxDxH) (mm/in. ) 267 x 162 x 42/10.51 x 6.37 x 1.6 440 x 131 x 44/17.32 x 5.16 x 1.73 330 x 230 x 44/12.99 x 9.06 x 1.73 441 x 270 x 44/17.36 x 10.63 x 1.7Weight (kg/lb. ) 1.56/3.44 2.09/4.60 2.48/5.47 3.55/7.83 Environmental Specifications Acoustic noise (min/max, dBA) 0 0 19/26 22.1/34.1